Aristippus, 4.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 2: Socrates, his predecessors and followers
“When one asked him what boys should learn, "That," said he, "which they shall use when men."”
Of Agesilaus the Great
Laconic Apophthegms
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Plutarch 251
ancient Greek historian and philosopher 46–127Related quotes
“When asked what learning was the most necessary, he said, "Not to unlearn what you have learned."”
Antisthenes, 4.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 6: The Cynics
“When I had asked why they were taking English, a boy said: "To help us in real life."”
Part I, ch. 5 (Sylvia Barrett)
Up the Down Staircase (1965)
Borejza, Tomasz (January 2018): Trochę bakterii nie zaszkodzi https://www.tygodnikprzeglad.pl/troche-bakterii-zaszkodzi/. Przegląd (4/2018): pp. 54–55.
Speech http://hansard.millbanksystems.com/commons/1964/dec/03/schedule-7-commencement-transitional in the House of Commons (3 December 1964)
1960s
Source: When Day is Done (1921), A Father's Wish, stanzas 1 and 2.